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Re: [OM] 200/f4 + Shutter Shudders: (was "200mm F4 / F5 vs. 65/200mm F4)

Subject: Re: [OM] 200/f4 + Shutter Shudders: (was "200mm F4 / F5 vs. 65/200mm F4)
From: Ingemar Uvhagen <ingemar.uvhagen@xxxxxxxxx>
Date: Wed, 05 May 1999 17:16:01 +0200
Joel,

A very interesting reading indeed!
Now, your results and your conclusions, raises a few questions.

You wrote:

> It's the shutter, or the kick the shutter gives the lens, regardless of 
> whether
> the kick stops down the lens or not.

If it is the shutter, a movement should also be detected without any lens at 
all.
Also, if it is the shutter, and the movement is not too small without a lens, 
any
lens mounted should result in a movement - not just the 200/4 lens as have been
tested.

Another interesting question is *why* this movement appears. Is it only the
OM-1(N) or is it for other OM cameras as well? The result of yours, says that
there is more movement (it should be called "vibration" instead, should it not?)
for the OM-1(N) than for the OM-2S. Now, if this is a valid result, one have to
wonder about the difference in construction of these two. What are the
construction differences really? Are there any other OMs that will behave the
same way? How about the OM2000? Its shutter is vertical, all others are
horizontal. Can therefore the OM2000 be better, or perhaps even worse?

--
Regards/
  Ingemar Uvhagen
  Gislaved, Sweden



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